Love problem

This is vipul chauhan working as a Station Master in rajkot, Gujarat...basically i m frm bhopal MP...i m 25 yrs old my gf age 24....she's working for MP Police..as a compensationate of her brother...more than 3 yrs se wo ye job kr rhi hai, uski ek elder sister h jo married hain nd apne husband k sath rehti hain...meri grl k sath uski maa rehti hain, hum shaadi krna chahte hain nd hmne uski family me baat ki but due to intercaste marriage uske jiju, mama, bua ne against kiya, aur jo maa hain wo apni bacchi ki khushi se jyada inka side leti hain, hum bohot efforts kr chuke hain but unme se koi bhi agree nhi hota, against jakr shaadi bhi krna chahte hain pr, ye samjh nhi aa rha ki mein shaadi kr k usko gujarat le jane k baad, kya ldki ki maa mere against FIR file kr skti hai ki "meri beti ko wo ldka kidnap kr k ya bhaga kr le gya hai..." nd bcoz wo ldki compensation se job kr rhi h to kahi aisa naa ho ki police ya aisa koi law ho jo unhi ka support kare, plz sir help us...we both want to spend full life with each other....